/*
 * Copyright 2023 The Backstage Authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import React from 'react';
import {
  ExtensionBoundary,
  coreExtensionData,
  createApiExtension,
  createComponentExtension,
  createExtension,
  createExtensionInput,
  createThemeExtension,
  createTranslationExtension,
} from '@backstage/frontend-plugin-api';

export const App = createExtension({
  namespace: 'app',
  attachTo: { id: 'root', input: 'default' }, // ignored
  inputs: {
    apis: createExtensionInput({
      api: createApiExtension.factoryDataRef,
    }),
    themes: createExtensionInput({
      theme: createThemeExtension.themeDataRef,
    }),
    components: createExtensionInput({
      component: createComponentExtension.componentDataRef,
    }),
    translations: createExtensionInput({
      translation: createTranslationExtension.translationDataRef,
    }),
    root: createExtensionInput(
      {
        element: coreExtensionData.reactElement,
      },
      { singleton: true },
    ),
  },
  output: {
    root: coreExtensionData.reactElement,
  },
  factory({ node, inputs }) {
    return {
      root: (
        <ExtensionBoundary node={node}>
          {inputs.root.output.element}
        </ExtensionBoundary>
      ),
    };
  },
});
